<?phpuse Illuminate\Database\Eloquent\Model;class taskModel extends Model{	protected $table 		= 'task';	public	  $primaryKey	= 'id';    public $timestamps = false;    protected $appends = [        'task_levels_text',    ];    protected function serializeDate($date)    {        return $date->format('Y-m-d H:i:s');    }    public function getTaskLevelsTextAttribute()    {        return agentlevelModel::query()->whereIn('level', explode(',', $this->attributes['task_levels']))->get();    }}